Manufactured in limited quantities in the early 20th Century, ending in 1916, the 9mm Dreyse is effectively a scaled-up version of the 7.65mm and 6.35mm Dreyse. Blade front and notch rear sights, with stacked "crown/N" proofs on the left side of the barrel, slide and frame, "Rheinische Metallwaaren - & Maschinenfabrik/ABT. SOMMERDA" on the left side of the barrel extension and "DREYSE" on the right. Checkered cocking knob and safety, smooth trigger and checkered grips with "RMF" monograms.